package main

import "fmt"

func main() {
	var coffeeSizes [3]string // 默认元素的值为三个空白字符串
	fmt.Println(coffeeSizes)
	coffeeSizes[0] = "Small"
	fmt.Println(coffeeSizes)
	coffeeSizes[1] = "Medium"
	fmt.Println(coffeeSizes)
	coffeeSizes[2] = "Large"
	fmt.Println(coffeeSizes)
	coffeeSizes[2] = "Extra Large"
	fmt.Println(coffeeSizes)

	fmt.Println("First element is:", coffeeSizes[0])

}
